Question: What is the vapor pressure of acetic acid at 68.0˚?
Paraphrase: At 68.0 degrees, what is the vapor pressure of acetic acid?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q47512 p:P2119 ?s . ?s ps:P2119 ?obj . ?s pq:P2076 ?x filter(contains(?x , '68.0')) }